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Round|Natural|GIA

1.02ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1533478358

Certificate GIA 1533478358

Diamond specifications and retailer prices

From £1,017 GBP
As of November 6, 2026
Save £1,309 GBP (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,248 GBP at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1533478358. Listed at 14 retailers as of November 4, 2026, with a 129% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.02
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1533478358
Dimensions6.51 × 6.47 × 4.01 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle
Top View
6.51 mm6.47 mm1.02 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 1533478358
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,239 GBP|Low: £1,017 GBP|High: £2,385 GBP|Avg: £1,486 GBP|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8£1,017 GBP
Retailer 5£1,071 GBP
Retailer 6£1,098 GBP
Retailer 1£1,239 GBP
Retailer 2£1,415 GBP
Retailer 3£1,470 GBP
Retailer 4£1,804 GBP
Retailer 7£2,326 GBP

29 data points across 8 retailers

14 retailers£1,017 GBP to £2,326 GBP

A
Cheapest Retailer
-
£1,017 GBP
A
Retailer 2
-
£1,071 GBP
View
A
Retailer 3
-
£1,098 GBP
View
A
Retailer 4
-
£1,239 GBP
View
A
Retailer 5
-
£1,282 GBP
View
Retailer 6
-
£1,331 GBP
View
Price last confirmed 17 days ago
Retailer 7
-
£1,331 GBP
View
Price last confirmed 21 days ago
Retailer 8
-
£1,393 GBP
View
Price last confirmed 22 days ago
A
Retailer 9
-
£1,415 GBP
View
A
Retailer 10
-
£1,470 GBP
View
Retailer 11
-
£1,537 GBP
View
Price last confirmed 19 days ago
B+
Retailer 12
-
£1,804 GBP
View
B+
Retailer 13
-
£2,326 GBP
View
Most Expensive
NZ Jewellers
d5777741-6ed4-4928-b47a-6d4403f1c54b · Oct 17
£3,248 GBP
$4,372 USD
View
Price last confirmed 20 days ago
13 more retailers have this diamond
Prices start from £1,017 GBPSave up to £1,309 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.02ct Round
£1,017 GBP